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ucm: docs: Add CoupledMixers

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Explains to userspace how mixers are related (such as separate L/R
volume mixers.) Servers should adjust these controls together.

Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
This commit is contained in:
Curtis Malainey 2019-09-24 11:06:37 -07:00
parent caf41d41fb
commit e9f41ba233
1 changed files with 3 additions and 0 deletions
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3
include/use-case.h
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@ -346,6 +346,9 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
* - Remap channels using ALSA PCM channel mapping API notation
* E.g. "2 3 0 1 -1 -1 -1 -1 -1 -1 -1" means, FL takes channel 2,
* FR takes channel 3, RL takes channel 0, RL takes channel 1.
* - CoupledMixers
* - Mixer controls that should be changed together.
* E.g. "Left Master,Right Master".
* - EDIDFile
* - Path to EDID file for HDMI devices
* - JackCTL